==================================================================
BUG: KASAN: slab-out-of-bounds in __bpf_get_stackid+0x6fa/0x960 kernel/bpf/stackmap.c:274
Write of size 160 at addr ffff888113b78510 by task syz.4.174/965
CPU: 0 PID: 965 Comm: syz.4.174 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
__dump_stack+0x21/0x24 lib/dump_stack.c:88
dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
print_address_description+0x71/0x200 mm/kasan/report.c:316
print_report+0x4a/0x60 mm/kasan/report.c:420
kasan_report+0x122/0x150 mm/kasan/report.c:524
check_region_inline mm/kasan/generic.c:-1 [inline]
kasan_check_range+0x249/0x2a0 mm/kasan/generic.c:189
memcpy+0x44/0x70 mm/kasan/shadow.c:66
__bpf_get_stackid+0x6fa/0x960 kernel/bpf/stackmap.c:274
____bpf_get_stackid_pe kernel/bpf/stackmap.c:365 [inline]
bpf_get_stackid_pe+0x2ee/0x400 kernel/bpf/stackmap.c:334
bpf_prog_e0f070f5e852a688+0x21/0x34
bpf_dispatcher_nop_func include/linux/bpf.h:987 [inline]
__bpf_prog_run include/linux/filter.h:607 [inline]
bpf_prog_run include/linux/filter.h:614 [inline]
bpf_overflow_handler+0x3c7/0x5e0 kernel/events/core.c:10273
__perf_event_overflow+0x458/0x640 kernel/events/core.c:9448
perf_event_overflow kernel/events/core.c:9469 [inline]
perf_swevent_hrtimer+0x4b4/0x540 kernel/events/core.c:10919
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x398/0x890 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x3ad/0x8c0 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1107 [inline]
__sysvec_apic_timer_interrupt+0x11e/0x440 arch/x86/kernel/apic/apic.c:1124
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1118
asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:preempt_schedule_irq+0xa5/0x120 kernel/sched/core.c:7067
Code: 44 24 20 00 02 00 00 43 c6 44 37 04 f8 74 0b 0f 0b 48 f7 03 08 00 00 00 74 4d bf 01 00 00 00 e8 d1 fb 4c fc fb bf 01 00 00 00 46 e5 ff ff fa bf 01 00 00 00 e8 7b fd 4c fc 65 48 8b 1d c3 d4
RSP: 0018:ffffc900100cf580 EFLAGS: 00000246
RAX: 1ffff11023a91669 RBX: ffffc900100cf648 RCX: ffffffff87b7b100
RDX: 1ffffffff0f6e600 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc900100cf5f8 R08: ffffffff87b73008 R09: ffffffff87b73018
R10: ffffffff87b73003 R11: 1ffffffff0f6e600 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92002019eb0
raw_irqentry_exit_cond_resched+0x29/0x30 kernel/entry/common.c:396
irqentry_exit+0x37/0x40 kernel/entry/common.c:439
sysvec_apic_timer_interrupt+0x64/0xc0 arch/x86/kernel/apic/apic.c:1118
asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:unwind_get_return_address+0x1/0x90 arch/x86/kernel/unwind_frame.c:15
Code: 03 38 c1 7c af 48 c7 c7 80 fe 0d 87 e8 48 52 81 00 eb a1 00 00 cc cc 00 00 90 90 90 90 90 90 90 90 90 90 90 b8 a3 2b a8 ac 55 <48> 89 e5 41 57 41 56 53 48 89 fb 49 be 00 00 00 00 00 fc ff df 48
RSP: 0018:ffffc900100cf6f8 EFLAGS: 00000202
RAX: ffffc900100cf790 RBX: ffffc900100cf7c0 RCX: 1ffff92002019ee8
RDX: ffffc900100cf798 RSI: ffffc900100cf718 RDI: ffffc900100cf708
RBP: ffffc900100cf790 R08: ffffc900100cf701 R09: ffffc900100cf708
R10: dffffc0000000000 R11: fffff52002019eed R12: ffff88811d48a880
R13: ffffffff866d44c8 R14: ffffffff81620340 R15: ffffc900100cf708
stack_trace_save+0xa6/0xf0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:46 [inline]
kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
kasan_save_alloc_info+0x1f/0x30 mm/kasan/generic.c:505
____kasan_kmalloc mm/kasan/common.c:380 [inline]
__kasan_kmalloc+0x95/0xb0 mm/kasan/common.c:389
kasan_kmalloc include/linux/kasan.h:212 [inline]
kmalloc_trace+0x40/0xb0 mm/slab_common.c:1033
kmalloc include/linux/slab.h:563 [inline]
kzalloc include/linux/slab.h:699 [inline]
bpf_prog_alloc_no_stats+0x9a/0x3f0 kernel/bpf/core.c:96
bpf_prog_alloc+0x21/0x1c0 kernel/bpf/core.c:130
bpf_prog_load+0x811/0x1670 kernel/bpf/syscall.c:2570
__sys_bpf+0x57b/0x850 kernel/bpf/syscall.c:5006
__do_sys_bpf kernel/bpf/syscall.c:5110 [inline]
__se_sys_bpf kernel/bpf/syscall.c:5108 [inline]
__x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5108
x64_sys_call+0x488/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:322
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f0c9879df99
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f0c99720028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f0c98a26090 RCX: 00007f0c9879df99
RDX: 0000000000000094 RSI: 0000200000002c80 RDI: 0000000000000005
RBP: 00007f0c98834ec4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0c98a26128 R14: 00007f0c98a26090 R15: 00007ffc83a09298
Allocated by task 964:
kasan_save_stack mm/kasan/common.c:46 [inline]
kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
kasan_save_alloc_info+0x1f/0x30 mm/kasan/generic.c:505
____kasan_kmalloc mm/kasan/common.c:380 [inline]
__kasan_kmalloc+0x95/0xb0 mm/kasan/common.c:389
kasan_kmalloc include/linux/kasan.h:212 [inline]
__do_kmalloc_node mm/slab_common.c:938 [inline]
__kmalloc_node+0xb2/0x1e0 mm/slab_common.c:945
kmalloc_node include/linux/slab.h:589 [inline]
__bpf_map_area_alloc kernel/bpf/syscall.c:328 [inline]
bpf_map_area_alloc+0x4b/0xe0 kernel/bpf/syscall.c:341
prealloc_elems_and_freelist+0x8a/0x1e0 kernel/bpf/stackmap.c:51
stack_map_alloc+0x398/0x520 kernel/bpf/stackmap.c:117
find_and_alloc_map kernel/bpf/syscall.c:133 [inline]
map_create+0x467/0xcf0 kernel/bpf/syscall.c:1126
__sys_bpf+0x34e/0x850 kernel/bpf/syscall.c:4988
__do_sys_bpf kernel/bpf/syscall.c:5110 [inline]
__se_sys_bpf kernel/bpf/syscall.c:5108 [inline]
__x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5108
x64_sys_call+0x488/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:322
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
Last potentially related work creation:
kasan_save_stack+0x3a/0x60 mm/kasan/common.c:46
__kasan_record_aux_stack+0xb6/0xc0 mm/kasan/generic.c:486
kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:496
kvfree_call_rcu+0x8b/0x7a0 kernel/rcu/tree.c:3445
drop_sysctl_table+0x2f5/0x430 fs/proc/proc_sysctl.c:1731
unregister_sysctl_table+0x75/0x120 fs/proc/proc_sysctl.c:1769
unregister_net_sysctl_table+0x15/0x20 net/sysctl_net.c:175
__addrconf_sysctl_unregister net/ipv6/addrconf.c:7221 [inline]
addrconf_sysctl_unregister net/ipv6/addrconf.c:7249 [inline]
addrconf_ifdown+0x15ff/0x1950 net/ipv6/addrconf.c:3977
addrconf_notify+0x39f/0xe30 net/ipv6/addrconf.c:-1
notifier_call_chain kernel/notifier.c:87 [inline]
raw_notifier_call_chain+0xa1/0x110 kernel/notifier.c:455
call_netdevice_notifiers_info net/core/dev.c:2022 [inline]
call_netdevice_notifiers_extack net/core/dev.c:2060 [inline]
call_netdevice_notifiers net/core/dev.c:2074 [inline]
unregister_netdevice_many+0x104a/0x1910 net/core/dev.c:11005
unregister_netdevice_queue+0x2e1/0x320 net/core/dev.c:10936
unregister_netdevice include/linux/netdevice.h:3109 [inline]
__tun_detach+0xc9d/0x1450 drivers/net/tun.c:685
tun_detach drivers/net/tun.c:701 [inline]
tun_chr_close+0x92/0x140 drivers/net/tun.c:3492
__fput+0x1fd/0x8f0 fs/file_table.c:320
____fput+0x15/0x20 fs/file_table.c:348
task_work_run+0x1e1/0x250 kernel/task_work.c:203
resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
exit_to_user_mode_loop+0x9b/0xb0 kernel/entry/common.c:177
exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:210
__syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:303
do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82
entry_SYSCALL_64_after_hwframe+0x68/0xd2
The buggy address belongs to the object at ffff888113b78000
which belongs to the cache kmalloc-2k of size 2048
The buggy address is located 1296 bytes inside of
2048-byte region [ffff888113b78000, ffff888113b78800)
The buggy address belongs to the physical page:
page:ffffea00044ede00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x113b78
head:ffffea00044ede00 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 ffffea00044dc400 dead000000000002 ffff888100043200
raw: 0000000000000000 0000000000080008 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 289, tgid 289 (syz-executor), ts 24812214506, free_ts 24696071748
set_page_owner include/linux/page_owner.h:33 [inline]
post_alloc_hook+0x1f5/0x210 mm/page_alloc.c:2672
prep_new_page+0x1c/0x110 mm/page_alloc.c:2679
get_page_from_freelist+0x2ca9/0x2d20 mm/page_alloc.c:4586
__alloc_pages+0x1fa/0x610 mm/page_alloc.c:5930
alloc_slab_page+0x6e/0xf0 include/linux/gfp.h:-1
allocate_slab mm/slub.c:1967 [inline]
new_slab+0x98/0x3e0 mm/slub.c:2020
___slab_alloc+0x70f/0xb70 mm/slub.c:3177
__slab_alloc+0x5e/0xa0 mm/slub.c:3263
slab_alloc_node mm/slub.c:3348 [inline]
__kmem_cache_alloc_node+0x204/0x2d0 mm/slub.c:3423
__do_kmalloc_node mm/slab_common.c:937 [inline]
__kmalloc_node+0xa2/0x1e0 mm/slab_common.c:945
kmalloc_node include/linux/slab.h:589 [inline]
kvmalloc_node+0x28a/0x460 mm/util.c:592
kvmalloc include/linux/slab.h:716 [inline]
xt_alloc_table_info+0x3b/0xa0 net/netfilter/x_tables.c:1215
do_replace net/ipv6/netfilter/ip6_tables.c:1145 [inline]
do_ip6t_set_ctl+0x8f7/0xe00 net/ipv6/netfilter/ip6_tables.c:1646
nf_setsockopt+0x284/0x2b0 net/netfilter/nf_sockopt.c:101
ipv6_setsockopt+0x170/0x1a0 net/ipv6/ipv6_sockglue.c:1030
tcp_setsockopt+0xeb/0x100 net/ipv4/tcp.c:3860
page last free stack trace:
reset_page_owner include/linux/page_owner.h:26 [inline]
free_pages_prepare mm/page_alloc.c:1580 [inline]
free_pcp_prepare mm/page_alloc.c:1654 [inline]
free_unref_page_prepare+0x80c/0x820 mm/page_alloc.c:3621
free_unref_page+0x93/0x530 mm/page_alloc.c:3719
free_the_page mm/page_alloc.c:863 [inline]
__free_pages+0x67/0x100 mm/page_alloc.c:6020
__free_slab+0xc7/0x1a0 mm/slub.c:2044
free_slab mm/slub.c:2059 [inline]
discard_slab mm/slub.c:2065 [inline]
__unfreeze_partials+0x15a/0x190 mm/slub.c:2614
put_cpu_partial+0xa9/0x100 mm/slub.c:2690
__slab_free+0x1c4/0x280 mm/slub.c:3589
do_slab_free mm/slub.c:3666 [inline]
___cache_free+0xbf/0xd0 mm/slub.c:3722
qlink_free mm/kasan/quarantine.c:168 [inline]
qlist_free_all+0xc6/0x140 mm/kasan/quarantine.c:187
kasan_quarantine_reduce+0x14a/0x170 mm/kasan/quarantine.c:294
__kasan_slab_alloc+0x24/0x80 mm/kasan/common.c:311
kasan_slab_alloc include/linux/kasan.h:202 [inline]
slab_post_alloc_hook+0x4f/0x2d0 mm/slab.h:768
slab_alloc_node mm/slub.c:3382 [inline]
__kmem_cache_alloc_node+0x194/0x2d0 mm/slub.c:3423
kmalloc_trace+0x29/0xb0 mm/slab_common.c:1028
kmalloc include/linux/slab.h:563 [inline]
kzalloc include/linux/slab.h:699 [inline]
ref_tracker_alloc+0x16b/0x4a0 lib/ref_tracker.c:85
__netdev_tracker_alloc include/linux/netdevice.h:4085 [inline]
netdev_hold include/linux/netdevice.h:4114 [inline]
netdev_queue_add_kobject net/core/net-sysfs.c:1657 [inline]
netdev_queue_update_kobjects+0x181/0x470 net/core/net-sysfs.c:1712
Memory state around the buggy address:
ffff888113b78400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
ffff888113b78480: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff888113b78500: 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc
^
ffff888113b78580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff888113b78600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================
BUG: unable to handle page fault for address: ffffffff81004b98
#PF: supervisor write access in kernel mode
#PF: error_code(0x0003) - permissions violation
PGD 7012067 P4D 7012067 PUD 7013063 PMD 10001e1
Oops: 0003 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 965 Comm: syz.4.174 Tainted: G B syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:memcpy_erms+0x6/0x10 arch/x86/lib/memcpy_64.S:56
Code: 84 84 3e 97 eb 1e 0f 1f 00 48 89 f8 48 89 d1 48 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 c3 90 90 90 90 90 90 48 89 f8 48 89 d1 a4 c3 90 90 90 90 90 90 90 48 89 f8 48 83 fa 20 72 7e 40 38 fe
RSP: 0018:ffffc90000006fb0 EFLAGS: 00010002
RAX: ffffffff81004b98 RBX: 0000000000000110 RCX: 0000000000000110
RDX: 0000000000000110 RSI: ffff888112ab4888 RDI: ffffffff81004b98
RBP: ffffc90000006fe0 R08: ffffffff81004ca7 R09: 1ffffffff0200994
R10: dffffc0000000000 R11: fffffbfff0200995 R12: 0000000000000000
R13: ffffffff8194510a R14: ffff888112ab4888 R15: ffffffff81004b98
FS: 00007f0c997206c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffff81004b98 CR3: 0000000135c7b000 CR4: 00000000003506b0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
__bpf_get_stackid+0x6fa/0x960 kernel/bpf/stackmap.c:274
____bpf_get_stackid_pe kernel/bpf/stackmap.c:365 [inline]
bpf_get_stackid_pe+0x2ee/0x400 kernel/bpf/stackmap.c:334
bpf_prog_e0f070f5e852a688+0x21/0x34
bpf_dispatcher_nop_func include/linux/bpf.h:987 [inline]
__bpf_prog_run include/linux/filter.h:607 [inline]
bpf_prog_run include/linux/filter.h:614 [inline]
bpf_overflow_handler+0x3c7/0x5e0 kernel/events/core.c:10273
__perf_event_overflow+0x458/0x640 kernel/events/core.c:9448
perf_event_overflow kernel/events/core.c:9469 [inline]
perf_swevent_hrtimer+0x4b4/0x540 kernel/events/core.c:10919
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x398/0x890 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x3ad/0x8c0 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1107 [inline]
__sysvec_apic_timer_interrupt+0x11e/0x440 arch/x86/kernel/apic/apic.c:1124
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
sysvec_apic_timer_interrupt+0x53/0xc0 arch/x86/kernel/apic/apic.c:1118
asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:__dev_queue_xmit+0xd7/0x3540 net/core/dev.c:-1
Code: 58 42 c7 44 39 20 f3 f3 f3 f3 e8 64 d0 7e fd 49 8d 5e 10 49 89 dd 49 c1 ed 03 43 80 7c 3d 00 00 74 08 48 89 df e8 f9 5a c4 fd <48> 89 5c 24 18 49 8b 46 10 48 89 44 24 40 c7 84 24 bc 00 00 00 f4
RSP: 0018:ffffc900000077c0 EFLAGS: 00000246
RAX: ffffffff83f295dc RBX: ffff888136886510 RCX: ffff88811d48a880
RDX: 0000000000000100 RSI: 0000000000000000 RDI: ffff888136886500
RBP: ffffc900000079f0 R08: ffff88813264ec37 R09: 1ffff110264c9d86
R10: dffffc0000000000 R11: ffffed10264c9d87 R12: dffffc0000000000
R13: 1ffff11026d10ca2 R14: ffff888136886500 R15: dffffc0000000000
dev_queue_xmit include/linux/netdevice.h:3085 [inline]
br_send_bpdu_finish net/bridge/br_stp_bpdu.c:32 [inline]
NF_HOOK include/linux/netfilter.h:305 [inline]
br_send_bpdu+0x438/0x730 net/bridge/br_stp_bpdu.c:59
br_send_config_bpdu+0x416/0x6b0 net/bridge/br_stp_bpdu.c:120
br_transmit_config+0x3f2/0x6c0 net/bridge/br_stp.c:241
br_config_bpdu_generation+0x122/0x1c0 net/bridge/br_stp.c:400
br_hello_timer_expired+0x91/0x180 net/bridge/br_stp_timer.c:37
call_timer_fn+0x46/0x2a0 kernel/time/timer.c:1553
expire_timers kernel/time/timer.c:1604 [inline]
__run_timers+0x646/0x9b0 kernel/time/timer.c:1875
run_timer_softirq+0x6a/0xf0 kernel/time/timer.c:1888
handle_softirqs+0x1d7/0x600 kernel/softirq.c:642
__do_softirq kernel/softirq.c:680 [inline]
invoke_softirq kernel/softirq.c:497 [inline]
__irq_exit_rcu+0x52/0xf0 kernel/softirq.c:729
irq_exit_rcu+0x9/0x10 kernel/softirq.c:741
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
sysvec_apic_timer_interrupt+0xa9/0xc0 arch/x86/kernel/apic/apic.c:1118
asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:preempt_schedule_irq+0xa5/0x120 kernel/sched/core.c:7067
Code: 44 24 20 00 02 00 00 43 c6 44 37 04 f8 74 0b 0f 0b 48 f7 03 08 00 00 00 74 4d bf 01 00 00 00 e8 d1 fb 4c fc fb bf 01 00 00 00 46 e5 ff ff fa bf 01 00 00 00 e8 7b fd 4c fc 65 48 8b 1d c3 d4
RSP: 0018:ffffc900100cf580 EFLAGS: 00000246
RAX: 1ffff11023a91669 RBX: ffffc900100cf648 RCX: ffffffff87b7b100
RDX: 1ffffffff0f6e600 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc900100cf5f8 R08: ffffffff87b73008 R09: ffffffff87b73018
R10: ffffffff87b73003 R11: 1ffffffff0f6e600 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92002019eb0
raw_irqentry_exit_cond_resched+0x29/0x30 kernel/entry/common.c:396
irqentry_exit+0x37/0x40 kernel/entry/common.c:439
sysvec_apic_timer_interrupt+0x64/0xc0 arch/x86/kernel/apic/apic.c:1118
asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:unwind_get_return_address+0x1/0x90 arch/x86/kernel/unwind_frame.c:15
Code: 03 38 c1 7c af 48 c7 c7 80 fe 0d 87 e8 48 52 81 00 eb a1 00 00 cc cc 00 00 90 90 90 90 90 90 90 90 90 90 90 b8 a3 2b a8 ac 55 <48> 89 e5 41 57 41 56 53 48 89 fb 49 be 00 00 00 00 00 fc ff df 48
RSP: 0018:ffffc900100cf6f8 EFLAGS: 00000202
RAX: ffffc900100cf790 RBX: ffffc900100cf7c0 RCX: 1ffff92002019ee8
RDX: ffffc900100cf798 RSI: ffffc900100cf718 RDI: ffffc900100cf708
RBP: ffffc900100cf790 R08: ffffc900100cf701 R09: ffffc900100cf708
R10: dffffc0000000000 R11: fffff52002019eed R12: ffff88811d48a880
R13: ffffffff866d44c8 R14: ffffffff81620340 R15: ffffc900100cf708
stack_trace_save+0xa6/0xf0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:46 [inline]
kasan_set_track+0x4b/0x70 mm/kasan/common.c:53
kasan_save_alloc_info+0x1f/0x30 mm/kasan/generic.c:505
____kasan_kmalloc mm/kasan/common.c:380 [inline]
__kasan_kmalloc+0x95/0xb0 mm/kasan/common.c:389
kasan_kmalloc include/linux/kasan.h:212 [inline]
kmalloc_trace+0x40/0xb0 mm/slab_common.c:1033
kmalloc include/linux/slab.h:563 [inline]
kzalloc include/linux/slab.h:699 [inline]
bpf_prog_alloc_no_stats+0x9a/0x3f0 kernel/bpf/core.c:96
bpf_prog_alloc+0x21/0x1c0 kernel/bpf/core.c:130
bpf_prog_load+0x811/0x1670 kernel/bpf/syscall.c:2570
__sys_bpf+0x57b/0x850 kernel/bpf/syscall.c:5006
__do_sys_bpf kernel/bpf/syscall.c:5110 [inline]
__se_sys_bpf kernel/bpf/syscall.c:5108 [inline]
__x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5108
x64_sys_call+0x488/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:322
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f0c9879df99
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f0c99720028 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007f0c98a26090 RCX: 00007f0c9879df99
RDX: 0000000000000094 RSI: 0000200000002c80 RDI: 0000000000000005
RBP: 00007f0c98834ec4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0c98a26128 R14: 00007f0c98a26090 R15: 00007ffc83a09298
Modules linked in:
CR2: ffffffff81004b98
---[ end trace 0000000000000000 ]---
RIP: 0010:memcpy_erms+0x6/0x10 arch/x86/lib/memcpy_64.S:56
Code: 84 84 3e 97 eb 1e 0f 1f 00 48 89 f8 48 89 d1 48 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 c3 90 90 90 90 90 90 48 89 f8 48 89 d1 a4 c3 90 90 90 90 90 90 90 48 89 f8 48 83 fa 20 72 7e 40 38 fe
RSP: 0018:ffffc90000006fb0 EFLAGS: 00010002
RAX: ffffffff81004b98 RBX: 0000000000000110 RCX: 0000000000000110
RDX: 0000000000000110 RSI: ffff888112ab4888 RDI: ffffffff81004b98
RBP: ffffc90000006fe0 R08: ffffffff81004ca7 R09: 1ffffffff0200994
R10: dffffc0000000000 R11: fffffbfff0200995 R12: 0000000000000000
R13: ffffffff8194510a R14: ffff888112ab4888 R15: ffffffff81004b98
FS: 00007f0c997206c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffff81004b98 CR3: 0000000135c7b000 CR4: 00000000003506b0
DR0: 0000200000000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
----------------
Code disassembly (best guess):
0: 44 24 20 rex.R and $0x20,%al
3: 00 02 add %al,(%rdx)
5: 00 00 add %al,(%rax)
7: 43 c6 44 37 04 f8 movb $0xf8,0x4(%r15,%r14,1)
d: 74 0b je 0x1a
f: 0f 0b ud2
11: 48 f7 03 08 00 00 00 testq $0x8,(%rbx)
18: 74 4d je 0x67
1a: bf 01 00 00 00 mov $0x1,%edi
1f: e8 d1 fb 4c fc call 0xfc4cfbf5
24: fb sti
25: bf 01 00 00 00 mov $0x1,%edi
* 2a: e8 46 e5 ff ff call 0xffffe575 <-- trapping instruction
2f: fa cli
30: bf 01 00 00 00 mov $0x1,%edi
35: e8 7b fd 4c fc call 0xfc4cfdb5
3a: 65 gs
3b: 48 rex.W
3c: 8b .byte 0x8b
3d: 1d .byte 0x1d
3e: c3 ret
3f: d4 (bad)